State the missing reasons in this flow proof. Given: angle 5 = 40, angle 2 = 140.
Prove: a is parallel to b.

Statements:
angle 5 = 40 a. _.
angle 2 = 140 b. _.
angle 5 and angle 2 are supplementary angles c._.
Angle 5 and angle 2 are same-side interior angles d._.
a is a parallel to b e._